From: Christoffer Dall <christoffer.dall@linaro.org>
To: Mark Rutland <mark.rutland@arm.com>
Cc: Suzuki Poulose <suzuki.poulose@arm.com>,
Marc Zyngier <marc.zyngier@arm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64/kvm: set {v,}TCR_EL2 RES1 bits
Date: Sun, 30 Aug 2015 18:53:00 +0200 [thread overview]
Message-ID: <20150830165300.GF24113@cbox> (raw)
In-Reply-To: <1440423725-31700-1-git-send-email-mark.rutland@arm.com>
On Mon, Aug 24, 2015 at 02:42:05PM +0100, Mark Rutland wrote:
> Currently we don't set the RES1 bits of TCR_EL2 and VTCR_EL2 when
> configuring them, which could lead to unexpected behaviour when an
> architectural meaning is defined for those bits.
>
> Set the RES1 bits to avoid issues.
>
> Signed-off-by: Mark Rutland <mark.rutland@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Christoffer Dall <christoffer.dall@linaro.org>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Cc: Suzuki Poulose <suzuki.poulose@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
WARNING: multiple messages have this Message-ID (diff)
From: christoffer.dall@linaro.org (Christoffer Dall)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64/kvm: set {v,}TCR_EL2 RES1 bits
Date: Sun, 30 Aug 2015 18:53:00 +0200 [thread overview]
Message-ID: <20150830165300.GF24113@cbox> (raw)
In-Reply-To: <1440423725-31700-1-git-send-email-mark.rutland@arm.com>
On Mon, Aug 24, 2015 at 02:42:05PM +0100, Mark Rutland wrote:
> Currently we don't set the RES1 bits of TCR_EL2 and VTCR_EL2 when
> configuring them, which could lead to unexpected behaviour when an
> architectural meaning is defined for those bits.
>
> Set the RES1 bits to avoid issues.
>
> Signed-off-by: Mark Rutland <mark.rutland@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Christoffer Dall <christoffer.dall@linaro.org>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
> Cc: Suzuki Poulose <suzuki.poulose@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
next prev parent reply other threads:[~2015-08-30 16:53 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-24 13:42 [PATCH] arm64/kvm: set {v,}TCR_EL2 RES1 bits Mark Rutland
2015-08-24 13:42 ` Mark Rutland
2015-08-30 16:53 ` Christoffer Dall [this message]
2015-08-30 16:53 ` Christoffer Dall
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